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Digium's quad span digital interface cards support 96 (T1 / J1) or 120 (E1) connections to PSTN trunks over four spans (digital circuits). Built exclusively for use with Asterisk and Asterisk-based communications systems, the dual span cards provide the best value in digital connectivity.
Single span cards are available in PCI and PCI-Express form factor. All dual span models be combined with Digium's VPMOCT128 echo cancellation module to provide echo cancellation across all channels.
Digium cards are compatible with all versions of Asterisk using the DAHDi driver framework. Asterisk and DAHDi are available for free from the Asterisk.org website. All cards include a five (5) year warranty and are eligibile for Digium's no-risk ESP guarantee.
Note: The TE410P model supports a 3.3v PCI slot only - typically available on newer server motherboards and in 64-bit PCI bus architectures. The TE405P is for use only with a 5.0 volt PCI slot.
Connect four T1 or E1 trunks to an Asterisk-based PBX system
Add direct digital PSTN connectivity to your Asterisk application or solution
Ideal for call center applications, service bureaus and large phone systems
Up to 24 (T1/J1) or 30 (E1) simultaneous calls per span (96 total T1/J1 and 120 total E1 per card)
Supports T1, E1 and J1 physical interface connections
Optional 128ms hardware echo cancellation module
Protocol support includes: ISDN PRI, Robbed-Bit, CAS, MFC/R2